Strata albocinereum
[医] 白质灰质层
🧩 词语组成解析
strata
['streitə]
n. 地层;岩层( stratum的名词复数 );地层;社会阶层;
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Thank goodness!
谢天谢地！